#373C05#373C05

#373C05 is a dark, moderate yellow. Relative luminance 0.041; OKLCH L 34.0% C 0.073 H 115.0°. Best body text is #FFFFFF at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#373C05
RGB	rgb(55, 60, 5)
HSL	hsl(65, 85%, 13%)
HSV	hsv(65, 92%, 24%)
CMYK	cmyk(8.3%, 0%, 91.7%, 76.5%)
CIE-LAB	lab(23.85, -10.01, 30.30)
CIE-LCH	lch(23.85, 31.91, 108.28°)
OKLab	oklab(34.01% -0.0309 0.0662)
OKLCH	oklch(34.01% 0.073 115)
XYZ	xyz(3.2189, 4.0550, 0.7567)
Luminance	0.0406 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373C05 #0A053C

analogous

#3C2605 #373C05 #1B3C05

triadic

#373C05 #05373C #3C0537

tetradic

#373C05 #053C26 #0A053C #3C051B

square

#373C05 #053C26 #0A053C #3C051B

split-complementary

#373C05 #051B3C #26053C

monochromatic

#1A1C02 #1A1C02 #373C05 #6B740A #9FAD0E

Accessibility & contrast

On white

11.60

#373C05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#373C05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373C05

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373C05	#FFFFFF	#000000	##FFFFFF
##373C05	1.00	11.60	1.81	11.60
#FFFFFF	11.60	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413800

Deuteranopia (green-blind)

#41390A

Tritanopia (blue-blind)

#3B3832

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #373c05;
/* rgb */ color: rgb(55, 60, 5);
/* oklch */ color: oklch(34.0% 0.073 115.0);

Tailwind

colors: {
  custom: {
    50: '#70714b',
    500: '#373c05',
    950: '#000000',
  },
}

SCSS

$custom: #373c05;
$custom-light: #70714b;
$custom-dark: #000000;

JSON

{
  "hex": "#373c05",
  "rgb": {
    "r": 55,
    "g": 60,
    "b": 5
  },
  "hsl": {
    "h": 65.455,
    "s": 84.615,
    "l": 12.745
  },
  "oklch": {
    "l": 0.34013,
    "c": 0.07304,
    "h": 115
  },
  "luminance": 0.04055
}

Semantic roles & 50–950 ramp

primary

#373C05

secondary

#28207D

accent

#2DFB40

background

#F6F6F4

surface

#ECECE7

border

#C7C7C3

text

#080701

muted

#7B7A77

Preview Lab

Preview with #373C05

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →